Arrow -- oh, hey, look, it's Dresden. And, oh, hey look, it's Capt. Jack Harkness.
Some great dialog, too:
"...at least, that's what my agent says."
"Agent? I thought you were a neurosurgeon, Carter."
"I know, it's crazy, right? One minute I'm publishing this book on how long-term potentiation initiates the creation of a slow-moving protein synthesis, and the next, there's an agent trying to make me the next Dr. Oz."
"Why would he want you to be a wizard?"
(everyone laughs)
"For all our sakes, start reading Us Weekly."